HP Entry-Level Power Supplies
c04390737 – DA – 15030 Worldwide — Version 2 — December 1, 2014
HP 550W FIO Power Supply (730941-B21)
Input Voltage Range ( V rms )
Frequency Range (Nominal) ( Hz )
Nominal Input Voltage ( Vrms )
Maximum Rated Output Wattage Rating
Nominal Input Current ( A rms )
Maximum Rated Input Wattage Rating ( Watts )
Maximum Rated VA (Volt-Amp)
Maximum Inrush Current (A peak )
Maximum Inrush Current duration ( ms )
Maximum British Thermal Unit Rating ( BTU-Hr )
HP 800W Gold (Redundant) AC Power Input Module
(744689-B21) with Power Backplane
(745813-B21)*
HP's Generic Part Number (Backplane)
HP's Generic Part Number (Power Input Mod)
HP's Spares Part Number (Backplane)
HP's Spares Part Number (Power Input Mod)
Input Voltage Range ( V rms )
Frequency Range (Nominal) ( Hz )
Nominal Input Voltage ( Vrms )
Maximum Rated Output Wattage Rating
Nominal Input Current ( A rms )
Maximum Rated Input Wattage Rating ( Watts )
Maximum Rated VA (Volt-Amp)
Maximum Inrush Current (A peak )
Maximum Inrush Current duration ( ms )
Maximum British Thermal Unit Rating ( BTU-Hr )
*NOTE: The above power specifications are based on a configuration that includes a single power backplane with two AC power
input modules installed.